The table showing the stock price changes for a sample of 12 companies on a day is contained in the Excel Online file below. Construct a spreadsheet to answer the following questions. X Open spreadsheet a. Compute the sample variance for the daily price change (to 4 decimals). b. Compute the sample standard deviation for the price change (to 4 decimals). c. Provide 95% confidence interval estimates of the population variance (to 4 decimals). so²s d. Provide 95% confidence interval estimates of the population standard deviation (to 4 decimals). sos

MATLAB: An Introduction with Applications
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The table showing the stock price changes for a sample of 12 companies on a day is contained in the Excel Online file below. Construct a spreadsheet to answer the following
questions.
X
Open spreadsheet
a. Compute the sample variance for the daily price change (to 4 decimals).
b. Compute the sample standard deviation for the price change (to 4 decimals).
c. Provide 95% confidence interval estimates of the population variance (to 4 decimals).
so² s
d. Provide 95% confidence interval estimates of the population standard deviation (to 4 decimals).
sos
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Transcribed Image Text:The table showing the stock price changes for a sample of 12 companies on a day is contained in the Excel Online file below. Construct a spreadsheet to answer the following questions. X Open spreadsheet a. Compute the sample variance for the daily price change (to 4 decimals). b. Compute the sample standard deviation for the price change (to 4 decimals). c. Provide 95% confidence interval estimates of the population variance (to 4 decimals). so² s d. Provide 95% confidence interval estimates of the population standard deviation (to 4 decimals). sos Check My Work Reset Problem
Excel template - Saved
C1
1234 SOTO
6
File
A
Home
Company
Aflac
Bank of Am.
Cablevision
Diageo
Fluor Cp
Goodrich
John.&John.
Loews Cp
10 Nokia
11 SmpraEngy
12 Sunoco
13 Tyson Food
14
15
16
17
18
19
20
21
22
23
Insert
Arial
X ✓ fx
B
Price
Change ($)
0.80
1.47
-0.04
0.90
0.40
0.20
1.30
0.98
2.37
0.50
0.30
0.12
Draw
C
Page Layout
✓ 10 v B
D
E
Formulas
LL
F
M.
Search (Option + Q)
Data
G
Review
H
View
Help
J
General
K
L
←0
.00
.00
→.0
M
M
Transcribed Image Text:Excel template - Saved C1 1234 SOTO 6 File A Home Company Aflac Bank of Am. Cablevision Diageo Fluor Cp Goodrich John.&John. Loews Cp 10 Nokia 11 SmpraEngy 12 Sunoco 13 Tyson Food 14 15 16 17 18 19 20 21 22 23 Insert Arial X ✓ fx B Price Change ($) 0.80 1.47 -0.04 0.90 0.40 0.20 1.30 0.98 2.37 0.50 0.30 0.12 Draw C Page Layout ✓ 10 v B D E Formulas LL F M. Search (Option + Q) Data G Review H View Help J General K L ←0 .00 .00 →.0 M M
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